672240751110637 has 2 divisors, whose sum is σ = 672240751110638. Its totient is φ = 672240751110636.

The previous prime is 672240751110587. The next prime is 672240751110683. The reversal of 672240751110637 is 736011157042276.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 664020179050921 + 8220572059716 = 25768589^2 + 2867154^2 .

It is a cyclic number.

It is not a de Polignac number, because 672240751110637 - 2³⁹ = 671690995296749 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (672240761110637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336120375555318 + 336120375555319.

It is an arithmetic number, because the mean of its divisors is an integer number (336120375555319).

Almost surely, 2^{672240751110637} is an apocalyptic number.

It is an amenable number.

672240751110637 is a deficient number, since it is larger than the sum of its proper divisors (1).

672240751110637 is an equidigital number, since it uses as much as digits as its factorization.

672240751110637 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2963520, while the sum is 52.

The spelling of 672240751110637 in words is "six hundred seventy-two trillion, two hundred forty billion, seven hundred fifty-one million, one hundred ten thousand, six hundred thirty-seven".